February 11, 2016 Date: Addendum No. 3 Project: Prospect Mill SJ Project No: 15023 HCPS Bid No: HRM 16-2 E.S. HVAC Renovations The work herein shall be considered part of the bid documents for the referenced project and carried out in accordance with the following supplemental instructions issued in accordance with the Contract Documents without change in Contract Sum or Contract Time. Acknowledge receipt of addendum on the bid form as indicated. Item Description Project Clarifications: 1. All work should have a warranty of 2 years to include workmanship, materials, and labor in addition to manufacturer’s warranty. Changes to Drawings / Clarifications: 1. 2. 3. 4. 5. 6. 7. 8. Drawing A2.2: Keynote #1 does not apply to Area A of building. Keynote removed from sheet. (No sketch issued) Drawing A3.2 & A3.11: Mechanical louvers to be added to existing doors in Speech 81 and Mentor 80. (Sketch SK-A.3 attached) Drawing A3.4 & A3.11: Mechanical louvers to be added to existing doors in Main Office 33. (Sketch SKA.4 attached) Drawing A3.10: Note added to roof details: Contractor to provide and install any materials in area of demolition in kind that were destroyed or removed during demolition. (No sketch issued) Drawing E9.5: Jockey Pump added to drawing. (Sketch SK-E.7 attached) Drawing E9.17: Jockey Pump Controller added to single line diagram. (Sketch SK-E.8 attached) Drawing E9.19: Jockey Pump added to Branch Panel PLSE2 Schedule. (Sketch SK-E.9 attached) Drawing E9.17: Clarification in Standby Generator Sequence of Operations: 2. Power Failure with call for Fire Pump a. In the event of a power failure under normal conditions, the emergency generator shall receive a start signal from automatic transfer switch ATS #1, ATS #2 or Fire Pump Controller. Changes to Specifications/Clarifications: 1. 2. 3. 4. Specification Section 09 65 00 – Resilient Flooring: DELETED SECTION – 2.01A Vinyl Sheet Flooring. ADDED SECTION – 2.01B Luxury Vinyl Tile. (See attached revised specification section) Specification Section 09 68 16 – Carpeting: CLARIFICATION – The “Hybrid Resilient Sheet Flooring” product required in Alternate #6 is specified within this section. (No additional document issued) Specification Section 10 14 00 – Signage: Appendix E documentation for construction signage added to end of section. (See attached Appendix E documentation) Specification Section 10 44 00 – Fire Protection Specialties: Section has been deleted from the specifications in its entirety. (No additional document issued) Page 1 of 1 BOYS 75 176 SF COUNSELOR 82 325 SF 3 MECHANICAL LOUVER TO BE INSTALLED IN EXISTING DOOR. REFER TO SHEET A3.11 FOR LOUVER SPECIFICATION. SPEECH 81 251 SF CORR. 78 229 SF MENTOR 80 251 SF PARTIAL FIRST FLOOR PLAN - AREA A 1 SK-A.3 1/8" = 1'-0" NOTE ADDED TO SHEET A3.11 3 MECHANICAL LOUVERS TO BE INSTALLED IN EXISTING DOORS NOTED ON PLANS ARE TO BE: FREE FLOW ACOUSTICAL LOUVER 12"W X 12"H, CARTRIDGE DESIGN - 40YSTC/80YSTC, OR APPROVED EQUAL, WITH PRE-APPLIED STC3003 ACOUSTICAL LINING, 1/16" THICK WITH AN STC RATING OF 19. COLOR TO BE DETERMINED BY ARCHITECT. A3.2 & A3.11 SHEET NO. 15023 PROJECT NO. SK-A.3 HARFORD COUNTY PUBLIC SCHOOLS HVAC PROJECT - BID NUMBER HRM 16-2 PROSPECT MILL ELEMENTARY SCHOOL 101 PROSPECT MILL ROAD BEL AIR, MARYLAND 21015 PSC# 12.012.16 SR ARCHITECTS CORPORATE HEADQUARTERS 750 SHIPYARD DRIVE STE. 200 WILMINGTON, DE 19801 P: (302) 425-5233 F: (302) 425-5237 ENGINEERS FACILITIES SOLUTIONS Website: www.StudioJAED.com E-Mail: info@StudioJAED.com This drawing is the property of StudioJAED and is prepared for the exclusive use of its clients at the location indicated. No other use is authorized or intended. 02/11/16 DATE 3 Addendum #3 HEALTH OFFICE 34A 93 SF MAIN OFFICE 33 915 SF 3 TLT 32T 25 SF MECHANICAL LOUVER TO BE INSTALLED IN EXISTING DOOR. REFER TO SHEET A3.11 FOR LOUVER SPECIFICATION. PRINCIPAL 32 223 SF ASST PRINCIPAL 31 215 SF I.F. 30 203 SF PARTIAL FIRST FLOOR PLAN - AREA C 1 SK-A.4 1/8" = 1'-0" NOTE ADDED TO SHEET A3.11 3 A3.4 & A3.11 SHEET NO. 15023 PROJECT NO. SK-A.4 HARFORD COUNTY PUBLIC SCHOOLS HVAC PROJECT - BID NUMBER HRM 16-2 PROSPECT MILL ELEMENTARY SCHOOL 101 PROSPECT MILL ROAD BEL AIR, MARYLAND 21015 PSC# 12.012.16 SR ARCHITECTS CORPORATE HEADQUARTERS 750 SHIPYARD DRIVE STE. 200 WILMINGTON, DE 19801 P: (302) 425-5233 F: (302) 425-5237 ENGINEERS FACILITIES SOLUTIONS Website: www.StudioJAED.com E-Mail: info@StudioJAED.com This drawing is the property of StudioJAED and is prepared for the exclusive use of its clients at the location indicated. No other use is authorized or intended. 02/11/16 DATE MECHANICAL LOUVERS TO BE INSTALLED IN EXISTING DOORS NOTED ON PLANS ARE TO BE: FREE FLOW ACOUSTICAL LOUVER 12"W X 12"H, CARTRIDGE DESIGN - 40YSTC/80YSTC, OR APPROVED EQUAL, WITH PRE-APPLIED STC3003 ACOUSTICAL LINING, 1/16" THICK WITH AN STC RATING OF 19. COLOR TO BE DETERMINED BY ARCHITECT. 3 Addendum #3 NOTE: ELECTRICAL CONTRACTOR SHALL COORDINATE WITH FIRE PROTECTION SYSTEM INSTALLER TO PROVIDE AND INSTALL ALL NECESSARY FLOW AND TAMPER SWITCHES, NOTIFICATION DEVICES, ETC. AS REQUIRED FOR INTERFACE WITH NEW FIRE ALARM SYSTEM. PUMP PANEL (E) PROPOSED FIRE PUMP UH-1 JOCKEY PUMP PLSE1 - 11,13,15 PL1A - 2 PLSE1 - 17,19,21 PLSE2 - 18,20,22 GARAGE 90 WASH 91A 3 DRY STORAGE 89S FIRE PUMP CONTROLLER 2" THICK CONCRETE ENCASEMENT AROUND UNDERGROUND CONDUIT TLT 91T PARTIAL ELECTRICAL PLAN - AREA A 1 SK-E.7 15023 PROJECT NO. E9.5 SHEET NO. SK-E.7 HARFORD COUNTY PUBLIC SCHOOLS HVAC PROJECT - BID NUMBER HRM 16-2 PROSPECT MILL ELEMENTARY SCHOOL 101 PROSPECT MILL ROAD BEL AIR, MARYLAND 21015 PSC# 12.012.16 SR ARCHITECTS CORPORATE HEADQUARTERS 750 SHIPYARD DRIVE STE. 200 WILMINGTON, DE 19801 P: (302) 425-5233 F: (302) 425-5237 ENGINEERS FACILITIES SOLUTIONS Website: www.StudioJAED.com E-Mail: info@StudioJAED.com This drawing is the property of StudioJAED and is prepared for the exclusive use of its clients at the location indicated. No other use is authorized or intended. 02/11/16 DATE 1/8" = 1'-0" 3 Addendum #3 3 JOCKEY PUMP CONTROLLER FIRETROL FTA 550GXG OR APPROVED EQUAL . 3#4/0 + 1#4G - 4"C (2HR RATED RHW CABLES) PLSE2-18, 20, 22 JOCKEY PUMP 3#10 + 1#12G - 3/4"C (2HR FIRE RATED RHW CABLES) FIRE PUMP 40HP, 208Y 3PH SERVICE ENTRANCE RATED FIRE PUMP CONTROLLER FIRETROL-FTA903 OR APPROVED EQUAL. PARTIAL ELECTRICAL SINGLE LINE 1 SK-E.8 15023 PROJECT NO. E9.17 SHEET NO. SK-E.8 HARFORD COUNTY PUBLIC SCHOOLS HVAC PROJECT - BID NUMBER HRM 16-2 PROSPECT MILL ELEMENTARY SCHOOL 101 PROSPECT MILL ROAD BEL AIR, MARYLAND 21015 PSC# 12.012.16 SR ARCHITECTS CORPORATE HEADQUARTERS 750 SHIPYARD DRIVE STE. 200 WILMINGTON, DE 19801 P: (302) 425-5233 F: (302) 425-5237 ENGINEERS FACILITIES SOLUTIONS Website: www.StudioJAED.com E-Mail: info@StudioJAED.com This drawing is the property of StudioJAED and is prepared for the exclusive use of its clients at the location indicated. No other use is authorized or intended. 02/11/16 DATE NTS 3 Addendum #3 02/11/16 PROJECT NO. 15023 E9.19 SK-E.9 SHEET NO. HARFORD COUNTY PUBLIC SCHOOLS 101 PROSPECT MILL ROAD BEL AIR, MARYLAND 21015 PSC# 12.012.16 SR PROSPECT MILL ELEMENTARY SCHOOL HVAC PROJECT - BID NUMBER HRM 16-2 3 DATE ARCHITECTS P: (302) 425-5233 F: (302) 425-5237 CORPORATE HEADQUARTERS 750 SHIPYARD DRIVE STE. 200 WILMINGTON, DE 19801 E-Mail: info@StudioJAED.com FACILITIES SOLUTIONS Website: www.StudioJAED.com ENGINEERS This drawing is the property of StudioJAED and is prepared for the exclusive use of its clients at the location indicated. No other use is authorized or intended. 3 Addendum #3 Harford County Public Schools Prospect Mill ES HVAC Renovation StudioJAED Project No. 15023 Bid Number HRM 16-2 Bid Documents RESILIENT FLOORING 09 65 00 January 12, 2016 SECTION 09 65 00 RESILIENT FLOORING PART 1 GENERAL 1.01 SECTION INCLUDES A. Resilient tile flooring. B. Resilient base. C. Installation accessories. 1.02 RELATED REQUIREMENTS 1.03 REFERENCE STANDARDS A. ASTM E648 - Standard Test Method for Critical Radiant Flux of Floor-Covering Systems Using a Radiant Heat Energy Source. B. ASTM F710 - Standard Practice for Preparing Concrete Floors to Receive Resilient Flooring. C. ASTM F1066 - Standard Specification for Vinyl Composition Floor Tile. D. ASTM F1861 - Standard Specification for Resilient Wall Base. E. CAL (CHPS LEM) - Low-Emitting Materials Product List; California Collaborative for High Performance Schools (CHPS). F. GEI (SCH) - GREENGUARD "Children and Schools" Certified Products; GREENGUARD Environmental Institute. G. RFCI (RWP) - Recommended Work Practices for Removal of Resilient Floor Coverings; Resilient Floor Covering Institute. H. SCAQMD 1168 - South Coast Air Quality Management District Rule No.1168; www.aqmd.gov. I. SCS (CPD) - SCS Certified Products; Scientific Certification Systems. 1.04 SUBMITTALS A. See Section 01 30 00 - Administrative Requirements, for submittal procedures. B. Product Data: Provide data on specified products, describing physical and performance characteristics; including sizes, patterns and colors available; and installation instructions. C. Selection Samples: Submit manufacturer's complete set of color samples for Architect's initial selection. D. Verification Samples: Submit two samples, 6x6 inch in size illustrating color and pattern for each resilient flooring product specified. 1.05 FIELD CONDITIONS A. Maintain temperature in storage area between 55 degrees F and 90 degrees F. B. Store materials for not less than 48 hours prior to installation in area of installation at a temperature of 70 degrees F to achieve temperature stability. Thereafter, maintain conditions above 55 degrees F. PART 2 PRODUCTS 2.01 TILE FLOORING A. Vinyl Composition Tile: Homogeneous, with color extending throughout thickness, and: 1. Minimum Requirements: Comply with ASTM F 1066, of Class corresponding to type specified. Composition 1, class 2. 2. Critical Radiant Flux (CRF): Minimum 0.45 watt per square centimeter, when tested in accordance with ASTM E 648. 3. Size: 12 x 12 inch. RESILIENT FLOORING Harford County Public Schools Prospect Mill ES HVAC Renovation StudioJAED Project No. 15023 Bid Number HRM 16-2 Bid Documents 4. 5. 6. 7. B. RESILIENT FLOORING 09 65 00 January 12, 2016 VOC Content: Certified as Low Emission by one of the following : a. GreenGuard Children and Schools; www.greenguard.org. b. SCS Floorscore; www.scscertified.com. Thickness: 0.125 inch. Pattern: Solid color or marbleized. (1) field color w/ (3) color accent pattern. Manufacturers: a. Armstrong World Industries, Inc; _______: www.armstrong.com. b. Substitutions: See Section 01 60 00 - Product Requirements. Luxury Vinyl Tile: Homogenous Solid vinyl with color and pattern throughout thickness. 1. Minimum Requirements: Comply with ASTM F1700, Class I Type B 2. Critical Radiant Flux (CRF): Minimum 0.45 watt per square centimeter, when tested in accordance with ASTM E 648 or NFPA 253. 3. VOC Content Limits: As specified in Section 01 61 16. 4. Tile Size: 18 by 18 inch. 5. Total Thickness:.120 inch. 6. Color: To be determined by architect 7. Series: Victory (Mineral Chip); Square Edge (SE); Frost (FR) 8. Manufacturers: a. Tandus-Centiva; www.tandus-centiva.com. b. Substitutions: See Section 01 60 00 - Product Requirements. 2.02 RESILIENT BASE A. Resilient Base: ASTM F 1861, Type TS rubber, vulcanized thermoset; top set cover and as follows: 1. Critical Radiant Flux (CRF): Minimum 0.45 watt per square centimeter, when tested in accordance with ASTM E 648 or NFPA 253. 2. Height: Match existing. 3. Thickness: 0.125 inch thick. 4. Finish: Matte. 5. Length: Roll. 6. Color: Color as selected from manufacturer's standards. 7. Accessories: Premolded external corners and end stops. 8. Manufacturers: a. Burke Flooring; _______: www.burkemercer.com. b. Johnsonite, a Tarkett Company; _______: www.johnsonite.com. c. Roppe Corp; _______: www.roppe.com. 2.03 ACCESSORIES A. Subfloor Filler: White premix latex; type recommended by adhesive material manufacturer. B. Primers, Adhesives, and Seaming Materials: Waterproof; types recommended by flooring manufacturer. 1. Provide only products having lower volatile organic compound (VOC) content than required by the more stringent of the South Coast Air Quality Management District Rule No.1168 and the Bay Area Air Quality Management District Regulation 8, Rule 51. C. Flooring Adhesive: 1. Products: a. Centi 2001 Wet Set, Centi 2000 EP, or other manufacturer LVT prefered adhesives.. b. Substitutions: Section 01 60 00 - Product Requirements. D. Moldings and Edge Strips: Rubber. 1. Products: manufactured by Roppe. RESILIENT FLOORING Harford County Public Schools Prospect Mill ES HVAC Renovation StudioJAED Project No. 15023 Bid Number HRM 16-2 Bid Documents E. Filler for Coved Base: Plastic or as recommended by manufacturer. F. Sealer and Wax: Types recommended by flooring manufacturer. RESILIENT FLOORING 09 65 00 January 12, 2016 PART 3 EXECUTION 3.01 EXAMINATION A. Verify that sub-floor surfaces are smooth and flat within the tolerances specified for that type of work and are ready to receive resilient flooring. B. Verify that wall surfaces are smooth and flat within the tolerances specified for that type of work, are dust-free, and are ready to receive resilient base. C. Verify that sub-floor surfaces are dust-free and free of substances that could impair bonding of adhesive materials to sub-floor surfaces. 3.02 PREPARATION A. Remove existing resilient flooring and flooring adhesives; follow the recommendations of RFCI Recommended Work Practices for Removal of Resilient Floor Coverings. B. Prepare sub-floor surfaces as recommended by flooring and adhesive manufacturers. C. Remove sub-floor ridges and bumps. Fill minor low spots, cracks, joints, holes, and other defects with sub-floor filler to achieve smooth, flat, hard surface. D. Prohibit traffic until filler is cured. E. Clean substrate. F. Apply primer as required to prevent "bleed-through" or interference with adhesion by substances that cannot be removed. 3.03 INSTALLATION A. Starting installation constitutes acceptance of sub-floor conditions. B. Install in accordance with manufacturer's instructions. C. Spread only enough adhesive to permit installation of materials before initial set. D. Fit joints tightly. E. Set flooring in place, press with heavy roller to attain full adhesion. F. Where type of floor finish, pattern, or color are different on opposite sides of door, terminate flooring under centerline of door. G. Install edge strips at unprotected or exposed edges, where flooring terminates, and where indicated. H. Scribe flooring to walls, columns, cabinets, floor outlets, and other appurtenances to produce tight joints. 3.04 TILE FLOORING A. Install in accordance with manufacturer's instructions. B. Mix tile from container to ensure shade variations are consistent when tile is placed, unless manufacturer's instructions say otherwise. C. Spread only enough adhesive to permit installation of materials before initial set. D. Set flooring in place, press with heavy roller to attain full adhesion. E. Lay flooring with joints and seams parallel or as shown on plans to building lines to produce symmetrical tile pattern. F. Install tile to basket weave pattern. Allow minimum 1/2 full size tile width at room or area perimeter. RESILIENT FLOORING Harford County Public Schools Prospect Mill ES HVAC Renovation StudioJAED Project No. 15023 Bid Number HRM 16-2 Bid Documents RESILIENT FLOORING 09 65 00 January 12, 2016 G. Where floor finishes are different on opposite sides of door, terminate flooring under centerline of door. H. Scribe flooring to walls, columns, cabinets, and other appurtenances to produce tight joints. I. Install flooring in recessed floor access covers. Maintain floor pattern. 3.05 RESILIENT BASE A. Fit joints tightly and make vertical. Maintain minimum dimension of 48 inches between joints. B. Miter internal corners. At external corners, use premolded units. At exposed ends, use premolded units. C. Install base on solid backing. Bond tightly to wall and floor surfaces. D. Scribe and fit to door frames and other interruptions. 3.06 CLEANING A. Remove excess adhesive from floor, base, and wall surfaces without damage. B. Clean in accordance with manufacturer's instructions. C. Clean, seal, and wax resilient flooring products in accordance with manufacturer's instructions. 3.07 PROTECTION A. Prohibit traffic on resilient flooring for 48 hours after installation. END OF SECTION RESILIENT FLOORING